BMW Engine Parts for BMW 3 Series E30 (1984-1991)

JE Pistons 13:1 Compression Piston Kit - BMW S14B32 Engine

Looking to push your BMW S14B32 engine to its peak performance? The JE Pistons 13:1 Compression Kit is engineered for high-revving, naturally aspirated engines, delivering the kind of power and precision that serious tuners demand. Built with JE Pistons' advanced forging technology, this kit ensures maximum strength without added weight—giving you both performance and reliability under extreme conditions.

Features:

• 13:1 Compression Ratio: This high-compression setup optimizes cylinder pressure, resulting in more power, better torque, and improved throttle response.
• Forged for Strength: Made from 2618 aluminum, these pistons are forged to provide superior strength and thermal efficiency, ideal for engines that operate at high RPMs or under significant load.
• Precision Engineered: Designed specifically for the BMW S14B32 engine, ensuring a seamless fit and optimized combustion chamber dynamics for a perfect blend of power and reliability.
• Reduced Friction: Low-friction skirt coating to reduce wear and maximize engine life, even under the harshest racing conditions.
• Complete Kit: Includes four pistons, premium rings, wrist pins, and locks for a full installation package.

E Pistons 8.5:1 Piston Kit - BMW S14B23 Engine (Set of 4)

Unleash the full potential of your BMW S14B23 engine with the JE Pistons 8.5:1 Compression Kit, engineered for maximum strength and reliability in forced induction builds. Perfect for turbocharged or supercharged applications, these pistons are designed to handle high boost levels, ensuring your engine can withstand extreme pressures while delivering smooth, consistent performance.

Key Benefits:

• Optimized Compression (8.5:1): Lower compression ratio designed specifically for turbo or supercharged setups, helping manage cylinder pressures for greater tuning flexibility and boost potential.
• Forged for Toughness: Crafted from 2618 aluminum alloy, these pistons are forged to withstand extreme stress and temperature, making them ideal for high-boost, high-revving engines.
• Thermal Efficiency & Durability: Enhanced heat dissipation design reduces the risk of detonation, allowing your engine to run cooler under heavy load.
• Friction-Reducing Skirt Coating: Helps to reduce wear, improving the longevity of both the pistons and the engine, even under intense driving conditions.
• Complete Installation Kit: Comes with four pistons, rings, wrist pins, and locks, providing everything you need for a smooth installation process.

Why Choose JE Pistons?

JE Pistons are a trusted name in motorsport for delivering unbeatable strength and performance. This 8.5:1 piston kit allows you to push your BMW S14B23 engine to new limits with confidence, whether it’s for track use, drag racing, or a high-performance street build.

Applications:

• Fits BMW S14B23 Engines (E30 M3, high-performance builds)
• Ideal for turbocharged or supercharged configurations.

Technical Specifications:

• Compression Ratio: 8.5:1 for optimal forced induction performance.
• Material: Forged 2618 aluminum alloy for unmatched strength.
• Bore Sizes: Customizable options for overbore requirements.

JE Pistons BMW S14B20 13.0:1 Compression Piston Kit - Set of 4

Unlock your BMW S14B20 engine’s true potential with the JE Pistons 13.0:1 High-Compression Piston Kit. Specifically engineered for naturally aspirated performance, these pistons are designed to deliver higher power output, sharper throttle response, and greater engine efficiency, making them perfect for track-focused builds or high-revving street machines. Built from high-strength, lightweight forged aluminum, these pistons offer the durability and precision needed to withstand the extreme demands of motorsport applications.

Key Benefits:

• 13.0:1 Compression Ratio: Elevate engine performance with a higher compression ratio that optimizes cylinder pressure for maximum power, torque, and acceleration in naturally aspirated setups.
• Forged for Strength and Lightness: Constructed from 2618 forged aluminum alloy, these pistons provide the ideal balance of strength and weight, ensuring maximum durability without sacrificing engine speed.
• Efficient Combustion Design: Piston crown engineered to enhance combustion chamber dynamics, promoting cleaner, more efficient fuel burn while preventing detonation at high RPMs.
• Low-Friction Skirt Coating: Coated piston skirts reduce friction during operation, extending the life of your pistons and improving overall engine performance.
• Complete Installation Package: Includes four forged pistons, rings, wrist pins, and locks—everything you need to take your S14B20 engine to the next level.

Performance & Precision:

With JE Pistons, you get race-proven reliability and cutting-edge engineering. The 13.0:1 compression ratio boosts performance without compromising on durability, ensuring your BMW S14B20 engine delivers consistent, high-level power in any driving situation.

Application:

• Fits BMW S14B20 Engines (perfect for high-performance street or track builds).
• Ideal for naturally aspirated setups focused on maximizing power and efficiency.

Technical Specs:

• Compression Ratio: 13.0:1, optimized for naturally aspirated engines.
• Material: Forged 2618 aluminum for superior strength and heat resistance.
• Bore Sizes: Custom bore sizes available, including overbore options.

JE Pistons BMW S14B23 13:1 Compression Piston Kit - 3.7086in Bore (Set of 4)

Elevate your BMW S14B23 engine’s performance with the JE Pistons 13:1 Compression Piston Kit, featuring a 3.7086-inch bore size. Designed for high-compression, naturally aspirated builds, this piston kit delivers enhanced power, faster throttle response, and exceptional reliability, making it the perfect choice for serious racers and high-performance enthusiasts alike. With JE’s world-class forged piston technology, you’ll get unmatched strength and durability to handle the most demanding environments.

Key Features:

• 13:1 High-Compression Ratio: Optimized for naturally aspirated engines, the 13:1 compression ratio maximizes cylinder pressure for increased horsepower, torque, and efficiency. Perfect for high-RPM applications.
• 3.7086in Bore Size: Specifically designed for the BMW S14B23 engine, this precise bore size ensures optimal fitment and superior combustion, providing the ideal foundation for high-performance builds.
• Forged 2618 Aluminum Construction: Built from JE’s 2618 forged aluminum alloy, these pistons offer exceptional strength, heat resistance, and durability, making them capable of withstanding extreme pressures and temperatures.
• Advanced Combustion Chamber Design: Piston crowns are engineered to improve combustion efficiency, promoting smoother, more controlled combustion for better performance and reduced detonation risks.
• Low-Friction Skirt Coating: A friction-reducing coating on the piston skirts minimizes wear and tear, ensuring smooth operation and prolonging the life of both the pistons and the engine.
• Complete Installation Kit: This set comes with four pistons, rings, wrist pins, and locks, offering everything you need for a full upgrade to your S14B23 engine.

Built for Power & Precision:

Engineered for peak performance, JE Pistons are known for their precision and durability. This 13:1 compression kit is tailored for those who want to push their BMW S14B23 engine to its limits, whether on the track or on the street. The 3.7086in bore ensures exact fitment and optimal combustion dynamics, maximizing both power output and reliability.

Application:

• Fits BMW S14B23 Engines – Perfect for high-compression naturally aspirated builds, race applications, or high-performance street cars.
• Ideal for track-focused and high-RPM setups.

Technical Specs:

• Compression Ratio: 13:1 for naturally aspirated engines.
• Bore Size: 3.7086 inches, designed for a precise fit.
• Material: Forged from 2618 aluminum alloy for superior strength and heat tolerance.

E Pistons 8.5:1 Piston Kit - BMW S14B23 Engine (Set of 4)

Unleash the full potential of your BMW S14B23 engine with the JE Pistons 8.5:1 Compression Kit, engineered for maximum strength and reliability in forced induction builds. Perfect for turbocharged or supercharged applications, these pistons are designed to handle high boost levels, ensuring your engine can withstand extreme pressures while delivering smooth, consistent performance.

Key Benefits:

• Optimized Compression (8.5:1): Lower compression ratio designed specifically for turbo or supercharged setups, helping manage cylinder pressures for greater tuning flexibility and boost potential.
• Forged for Toughness: Crafted from 2618 aluminum alloy, these pistons are forged to withstand extreme stress and temperature, making them ideal for high-boost, high-revving engines.
• Thermal Efficiency & Durability: Enhanced heat dissipation design reduces the risk of detonation, allowing your engine to run cooler under heavy load.
• Friction-Reducing Skirt Coating: Helps to reduce wear, improving the longevity of both the pistons and the engine, even under intense driving conditions.
• Complete Installation Kit: Comes with four pistons, rings, wrist pins, and locks, providing everything you need for a smooth installation process.

Why Choose JE Pistons?

JE Pistons are a trusted name in motorsport for delivering unbeatable strength and performance. This 8.5:1 piston kit allows you to push your BMW S14B23 engine to new limits with confidence, whether it’s for track use, drag racing, or a high-performance street build.

Applications:

• Fits BMW S14B23 Engines (E30 M3, high-performance builds)
• Ideal for turbocharged or supercharged configurations.

Technical Specifications:

• Compression Ratio: 8.5:1 for optimal forced induction performance.
• Material: Forged 2618 aluminum alloy for unmatched strength.
• Bore Sizes: Customizable options for overbore requirements.

The GENIUSPRO50 is an advanced 6-volt, 12-volt, and 24-volt fully-automatic professional smart charger, maintainer, power supply, and battery desulfator. With temperature compensation and a rating of 50 amps, it's suitable for all types of automotive, marine, and deep-cycle batteries.

Features: 

• A multi-voltage charger - 6-volt (50-amps), 12-volt (50-amps), and 24-volt (25-amps) - for lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion.
• Designed for pros who need absolute performance and uncompromising functionality. Featuring ultra-flexible silicone cabling - down to -40ºC - with protective nylon breaded shielding for maximum protection against abrasion.
• A dual-voltage power supply - 12-volt (50-amp) and 24-volt (25-amp) - to maintain constant power delivery without unwanted ripple, noise, and transient spikes during ECU flashing, reprogramming, and diagnostic testing.
• An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates to maximize battery life and enable fast charging.
• Detects batteries as low as 1-volt. Or use the all-new force mode that allows you to manually begin charging dead batteries down to zero volts.
• Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Plus, cutting-edge battery repair modes for 6-volt, 12-volt, and 24-volt batteries.

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or main bearing service!